Landkern is an Ortsgemeinde, or municipality, located in the Cochem-Zell district of Rhineland-Palatinate in western Germany. It functions as a member of the Verbandsgemeinde Kaisersesch, which is a collective municipality with its administrative seat situated in the town of Kaisersesch.
The village is positioned within the regional structure of the state's western territory, where it shares governance and communal services with other municipalities under the jurisdiction of the Kaisersesch collective.